147426531 has 8 divisors (see below), whose sum is σ = 224649984. Its totient is φ = 84243720.

The previous prime is 147426523. The next prime is 147426571. The reversal of 147426531 is 135624741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147426531 - 2³ = 147426523 is a prime.

It is a super-2 number, since 2×147426531² = 43469164085387922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147426492 and 147426501.

It is not an unprimeable number, because it can be changed into a prime (147426511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3510135 + ... + 3510176.

It is an arithmetic number, because the mean of its divisors is an integer number (28081248).

Almost surely, 2^147426531 is an apocalyptic number.

147426531 is a deficient number, since it is larger than the sum of its proper divisors (77223453).

147426531 is an equidigital number, since it uses as much as digits as its factorization.

147426531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020321.

The product of its digits is 20160, while the sum is 33.

The square root of 147426531 is about 12141.9327538905. The cubic root of 147426531 is about 528.2731634339.

The spelling of 147426531 in words is "one hundred forty-seven million, four hundred twenty-six thousand, five hundred thirty-one".